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anonymous

  • one year ago

Solve x^2 = 144 72 12 ±12 −12

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  1. ♪Chibiterasu
    • one year ago
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    Do you mean x^2?

  2. anonymous
    • one year ago
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    yeas sry

  3. ♪Chibiterasu
    • one year ago
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    Just find the square root of both sides. \[\sqrt{144}\]

  4. anonymous
    • one year ago
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    -12 and 12

  5. ♪Chibiterasu
    • one year ago
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    Yeah.

  6. anonymous
    • one year ago
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    but which answer is it?

  7. anonymous
    • one year ago
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    right?

  8. anonymous
    • one year ago
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    it is C?

  9. ♪Chibiterasu
    • one year ago
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    There's a symbol that represents both positive and negative, since a negative times a negative is a positive which is the same vice versa.

  10. ♪Chibiterasu
    • one year ago
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    Yeah.

  11. anonymous
    • one year ago
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    ok THX

  12. ♪Chibiterasu
    • one year ago
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    That sign just means "this number is positive and negative" which is two solutions in one.

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